---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-34679 5.15.0-164-generic #174-Ubuntu SMP Fri Nov 14 20:25:16 UTC 2025 x86_64 x86_64 x86_64 GNU/Linux ---> lscpu: Architecture: x86_64 CPU op-mode(s): 32-bit, 64-bit Address sizes: 40 bits physical, 48 bits virtual Byte Order: Little Endian CPU(s): 4 On-line CPU(s) list: 0-3 Vendor ID: AuthenticAMD Model name: AMD EPYC-Rome Processor CPU family: 23 Model: 49 Thread(s) per core: 1 Core(s) per socket: 1 Socket(s): 4 Stepping: 0 BogoMIPS: 5599.99 Flags: fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush mmx fxsr sse sse2 syscall nx mmxext fxsr_opt pdpe1gb rdtscp lm rep_good nopl cpuid extd_apicid tsc_known_freq pni pclmulqdq ssse3 fma cx16 sse4_1 sse4_2 x2apic movbe popcnt tsc_deadline_timer aes xsave avx f16c rdrand hypervisor lahf_lm cmp_legacy svm cr8_legacy abm sse4a misalignsse 3dnowprefetch osvw topoext perfctr_core ssbd ibrs ibpb stibp vmmcall fsgsbase tsc_adjust bmi1 avx2 smep bmi2 rdseed adx smap clflushopt clwb sha_ni xsaveopt xsavec xgetbv1 clzero xsaveerptr wbnoinvd arat npt nrip_save umip rdpid arch_capabilities Virtualization: AMD-V Hypervisor vendor: KVM Virtualization type: full L1d cache: 128 KiB (4 instances) L1i cache: 128 KiB (4 instances) L2 cache: 2 MiB (4 instances) L3 cache: 64 MiB (4 instances) NUMA node(s): 1 NUMA node0 CPU(s): 0-3 Vulnerability Gather data sampling: Not affected Vulnerability Indirect target selection: Not affected Vulnerability Itlb multihit: Not affected Vulnerability L1tf: Not affected Vulnerability Mds: Not affected Vulnerability Meltdown: Not affected Vulnerability Mmio stale data: Not affected Vulnerability Reg file data sampling: Not affected Vulnerability Retbleed: Mitigation; untrained return thunk; SMT disabled Vulnerability Spec rstack overflow: Mitigation; SMT disabled Vulnerability Spec store bypass: Mitigation; Speculative Store Bypass disabled via prctl and seccomp Vulnerability Spectre v1: Mitigation; usercopy/swapgs barriers and __user pointer sanitization Vulnerability Spectre v2: Mitigation; Retpolines; IBPB conditional; STIBP disabled; RSB filling; PBRSB-eIBRS Not affected; BHI Not affected Vulnerability Srbds: Not affected Vulnerability Tsa: Not affected Vulnerability Tsx async abort: Not affected Vulnerability Vmscape: Not affected ---> nproc: 4 ---> df -h: Filesystem Size Used Avail Use% Mounted on tmpfs 1.6G 1.1M 1.6G 1% /run /dev/vda1 78G 11G 68G 14% / tmpfs 7.9G 0 7.9G 0% /dev/shm tmpfs 5.0M 0 5.0M 0% /run/lock /dev/vda15 105M 6.1M 99M 6% /boot/efi tmpfs 1.6G 4.0K 1.6G 1% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 15989 630 10745 4 4613 15016 Swap: 1023 0 1023 ---> ip addr: 1: lo: mtu 65536 qdisc noqueue state UNKNOWN group default qlen 1000 link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00 inet 127.0.0.1/8 scope host lo valid_lft forever preferred_lft forever inet6 ::1/128 scope host valid_lft forever preferred_lft forever 2: ens3: mtu 1458 qdisc mq state UP group default qlen 1000 link/ether fa:16:3e:e2:f7:1c brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.73/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84774sec preferred_lft 84774sec inet6 fe80::f816:3eff:fee2:f71c/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether d6:74:b0:a0:16:44 brd ff:ff:ff:ff:ff:ff inet 10.250.0.254/24 brd 10.250.0.255 scope global docker0 valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 5.15.0-164-generic (prd-ubuntu2204-docker-4c-4g-34679) 01/13/26 _x86_64_ (4 CPU) 20:07:28 LINUX RESTART (4 CPU) 20:10:02 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 20:20:16 8.73 1.72 6.80 0.21 118.24 1834.27 156.97 20:30:01 4.90 0.38 4.26 0.25 12.15 592.83 40.53 Average: 6.86 1.07 5.57 0.23 66.53 1229.18 100.22 20:10:02 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 20:20:16 9537280 12334032 3630592 22.17 108248 2862148 3831864 21.99 482312 6010792 580 20:30:01 10008608 13310160 2651468 16.19 122172 3322828 2891256 16.60 545252 5443512 338364 Average: 9772944 12822096 3141030 19.18 115210 3092488 3361560 19.30 513782 5727152 169472 20:10:02 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 20:20:16 lo 0.66 0.66 0.38 0.38 0.00 0.00 0.00 0.00 20:20:16 ens3 36.96 30.68 421.27 4.80 0.00 0.00 0.00 0.00 20:20:16 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:30:01 lo 90.93 90.93 86.33 86.33 0.00 0.00 0.00 0.00 20:30:01 ens3 31.03 22.83 418.99 3.24 0.00 0.00 0.00 0.00 20:30:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 44.66 44.66 42.27 42.27 0.00 0.00 0.00 0.00 Average: ens3 34.07 26.86 420.16 4.04 0.00 0.00 0.00 0.00 Average: docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 5.15.0-164-generic (prd-ubuntu2204-docker-4c-4g-34679) 01/13/26 _x86_64_ (4 CPU) 20:07:28 LINUX RESTART (4 CPU) 20:10:02 CPU %user %nice %system %iowait %steal %idle 20:20:16 all 49.67 0.00 0.84 0.05 0.07 49.36 20:20:16 0 51.92 0.00 0.97 0.08 0.07 46.95 20:20:16 1 52.08 0.00 0.85 0.03 0.07 46.97 20:20:16 2 48.74 0.00 0.76 0.01 0.07 50.42 20:20:16 3 45.95 0.00 0.79 0.08 0.08 53.10 20:30:01 all 49.45 0.00 0.70 0.02 0.08 49.75 20:30:01 0 43.16 0.00 0.70 0.02 0.07 56.05 20:30:01 1 68.84 0.00 0.77 0.01 0.08 30.30 20:30:01 2 34.40 0.00 0.67 0.04 0.08 64.81 20:30:01 3 51.48 0.00 0.65 0.03 0.08 47.76 Average: all 49.56 0.00 0.77 0.04 0.08 49.55 Average: 0 47.65 0.00 0.84 0.05 0.07 51.39 Average: 1 60.24 0.00 0.81 0.02 0.08 38.85 Average: 2 41.73 0.00 0.72 0.02 0.07 57.45 Average: 3 48.64 0.00 0.72 0.05 0.08 50.50